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TECHNICAL PAPERS

Effect of Mechanical Vibrations on Coriolis Mass Flow Meters

[+] Author and Article Information
Robert Cheesewright, Ali Belhadj, Colin Clark

Department of Systems Engineering, Brunel University, Uxbridge, Middlesex UB8 3PH, England

J. Dyn. Sys., Meas., Control 125(1), 103-113 (Mar 10, 2003) (11 pages) doi:10.1115/1.1539098 History: Received October 01, 2001; Revised September 01, 2002; Online March 10, 2003
Copyright © 2003 by ASME
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References

Adiletta,  G., Cascetta,  F., della Valle,  S., Pagano,  S., and Vigo,  P., 1993, “A Twin Rigid Straight Pipe Coriolis Mass Flowmeter,” Measurement, 11, pp. 289–308.
Nicholson, S., 1994, “Coriolis Mass Flow Measurement,” Proc. of 7th Int. FLOMEKO Conf., NEL, Glasgow.
Macleod,  J. D., and Grabe,  W., 1995, “Comparison of Coriolis and Turbine-type Flowmeters for Fuel Measurements in Gas Turbine Testing,” ASME J. Eng. Gas Turbines Power, 117, pp. 132–137.
Obradovic, D. B., Vradis, C. C., and Otugen, M. V., 1996, “Evaluation of Coriolis Mass Flow Meters under Real-life Operating Conditions,” ASME Fluids Engineering Division Conference, FED-Vol. 239 , pp. 421–426.
Patten,  T., 1997, “Coriolis Mass Flowmeters Overcome Vibration,” Meas. Control, 184, pp. 141–146.
Vetter,  G., and Notzon,  S., 1994, “Effect of Pulsating Flow on Coriolis Mass Flowmeter,” Flow Meas. Instrum., 5(4), pp. 263–273.
Cheesewright,  R., Clark,  C., and Bisset,  D., 1999, “Understanding the Experimental Response of Coriolis Massflow Meters to Flow Pulsations,” Flow Meas. Instrum., 10, pp. 207–215.
Cheesewright,  R., and Clark,  C., 1998, “The Effect of Flow Pulsations on Coriolis Mass Flow Meters,” J. Fluids Struct., 12, pp. 1025–1039.
Belhadj,  A., Cheesewright,  R., and Clark,  C., 2000, “The Simulation of Coriolis Meter Response to Pulsating Flow Using a General Purpose Finite Element Code,” J. Fluids Struct., 14, pp. 613–634.
Rao, S. S., 1995, Mechanical Vibrations, 3rd Edition, Addison-Wesley Publishing Co., p. 786, Chap. 13.
Raszillier,  H., and Durst,  F., 1991, “Coriolis Effect in Mass Flow Metering,” Arch. Appl. Mech., 61, pp. 192–214.
Stack, C. P., Garnett, G. E., and Pawlas, G. E., 1993, “A Finite Element for the Vibration Analysis of a Fluid-Conveying Timoshenko Beam,” AIAA Tech. Paper, AIAA-93-1552-CP.
Blevins, R. D., 1997, Flow Induced Vibrations, Van Nostrand Reinhold Co.
Cunningham, T. J., 1994, “Zero Shifts in Coriolis Sensors Due to Imbalance,” AIAA Tech. Paper, AIAA-94-1621.
Hulbert, G. M., Darnell, I., and Brereton, G. J., 1995, “Numerical and Experimental Analysis of Coriolis Mass Flowmeters,” AIAA Tech. Paper, AIAA-95-1384-CP.
Clark, C., and Cheesewright, R., 2002, “The Influence upon Coriolis Mass Flow Meters of External Vibrations at Selected Frequencies,” Flow Meas. Instrum., (accepted for publication).

Figures

Grahic Jump Location
Diagramatic representation of the meter models used in the finite element study
Grahic Jump Location
Spectra of a sensor signal for: a) vibration at the Coriolis frequency, f2 and b) vibration at the difference between the Coriolis frequency and the drive frequency, f2−f1, for the straight tube meter
Grahic Jump Location
Spectra of a sensor signal for the B meter showing the effects of uniform and non-uniform vibration
Grahic Jump Location
Spectra of a sensor signal for the U meter, showing the effects of uniform and non-uniform vibration: a) at the Coriolis frequency f2 and b) at the difference between the Coriolis frequency and the drive frequency f2−f1
Grahic Jump Location
Spectra of a sensor signal for the straight tube meter, with and without vibration at the drive frequency f1
Grahic Jump Location
Spectra of a sensor signal for the B meter, with and without vibration at the drive frequency f1
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Computed distributions of deflection along the length of the straight tube meter: a) total deflection without vibration, b) Coriolis deflection without vibration, and c) extra deflection due to vibration (i.e., total deflection with vibration minus sum of driven motion and Coriolis deflection)

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